.banner {
    overflow: hidden;

    .head {
        height: 50px;
        display: flex;
        align-items: center;
    }

    .add {
        display: flex;
        height: 50px;
        align-items: center;
        justify-content: space-around;

        .src,
        .alt,
        .url {
            width: 400px;
            height: 30px;
        }
    }
}